Portable light



FIG. 1 is a perspective view of an ornamental design for a portable light;

FIG. 2 is a front view of the design for a portable light;

FIG. 3 is a rear view of the design for a portable light;

FIG. 4 is a first side view of the design for a portable light, with the second side being a substantial mirror of the first side;

FIG. 5 is a top view of the design for a portable light; and,

FIG. 6 is a bottom view of the design for a portable light.

The broken lines in the Figures indicate unclaimed parts and form no part of the claimed design. 

CLAIM The ornamental design for a portable light, as shown and described. 